I am stuck with installing the mplayer-plugin for Firefox that I need to watch asx files.
Here is what I did:
Download and unpack the mplayer-plugin from here: http://mplayerplug-in.sourceforge.net/install.php
The ./configure step indicates I should install the gecko-sdk first, so I download it from here: http://developer.mozilla.org/en/docs/Gecko_SDK
For a lack of configure and make files I leave the SDK unpacked only.
I reconfigure the mplayer-plugin again and this time it says: